Dear all !
I followed the install x-pack to elasticsearch documents. Everything was ok. But when i started up elastic, i there was some exception about [SERVICE_UNAVAILABLE/1/state not recovered / initialized];

Blockquote
[2018-05-11T19:39:39,143][ERROR][o.e.x.m.c.i.IndexRecoveryCollector] [elastic-01] collector [index_recovery] failed to collect data
org.elasticsearch.cluster.block.ClusterBlockException: blocked by: [SERVICE_UNAVAILABLE/1/state not recovered / initialized];
at org.elasticsearch.cluster.block.ClusterBlocks.globalBlockedException(ClusterBlocks.java:165) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.action.admin.indices.recovery.TransportRecoveryAction.checkGlobalBlock(TransportRecoveryAction.java:114) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.action.admin.indices.recovery.TransportRecoveryAction.checkGlobalBlock(TransportRecoveryAction.java:52) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction$AsyncAction.(TransportBroadcastByNodeAction.java:256) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction.doExecute(TransportBroadcastByNodeAction.java:234) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction.doExecute(TransportBroadcastByNodeAction.java:79) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:167) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.lambda$apply$0(SecurityActionFilter.java:103) ~[?:?]
at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:60) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.lambda$authorizeRequest$4(SecurityActionFilter.java:188) ~[?:?]
at org.elasticsearch.xpack.security.authz.AuthorizationUtils$AsyncAuthorizer.maybeRun(AuthorizationUtils.java:183) ~[?:?]
at org.elasticsearch.xpack.security.authz.AuthorizationUtils$AsyncAuthorizer.setRunAsRoles(AuthorizationUtils.java:177) ~[?:?]
at org.elasticsearch.xpack.security.authz.AuthorizationUtils$AsyncAuthorizer.authorize(AuthorizationUtils.java:159) ~[?:?]
at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.authorizeRequest(SecurityActionFilter.java:190) ~[?:?]
at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.lambda$applyInternal$3(SecurityActionFilter.java:166) ~[?:?]
at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:60) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$writeAuthToContext$23(AuthenticationService.java:443) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.writeAuthToContext(AuthenticationService.java:452) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$handleNullToken$16(AuthenticationService.java:345) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.handleNullToken(AuthenticationService.java:352) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.consumeToken(AuthenticationService.java:267) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$extractToken$7(AuthenticationService.java:238) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.extractToken(AuthenticationService.java:256) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$authenticateAsync$0(AuthenticationService.java:190) ~[?:?]
at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:60) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.xpack.security.authc.TokenService.getAndValidateToken(TokenService.java:294) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$authenticateAsync$2(AuthenticationService.java:186) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lambda$lookForExistingAuthentication$4(AuthenticationService.java:217) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.lookForExistingAuthentication(AuthenticationService.java:228) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.authenticateAsync(AuthenticationService.java:182) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService$Authenticator.access$000(AuthenticationService.java:143) ~[?:?]
at org.elasticsearch.xpack.security.authc.AuthenticationService.authenticate(AuthenticationService.java:113) ~[?:?]
at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.applyInternal(SecurityActionFilter.java:165) ~[?:?]
at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.apply(SecurityActionFilter.java:124) ~[?:?]
at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:165) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:139) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:81) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.client.node.NodeClient.executeLocally(NodeClient.java:83) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.client.node.NodeClient.doExecute(NodeClient.java:72) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.client.support.AbstractClient.execute(AbstractClient.java:405) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.client.support.AbstractClient.execute(AbstractClient.java:394) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.client.support.AbstractClient$IndicesAdmin.execute(AbstractClient.java:1247) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.action.ActionRequestBuilder.execute(ActionRequestBuilder.java:46) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.action.ActionRequestBuilder.get(ActionRequestBuilder.java:60) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.xpack.monitoring.collector.indices.IndexRecoveryCollector.doCollect(IndexRecoveryCollector.java:88) ~[x-pack-monitoring-6.2.4.jar:6.2.4]
at org.elasticsearch.xpack.monitoring.collector.Collector.collect(Collector.java:99) [x-pack-monitoring-6.2.4.jar:6.2.4]
at